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OCLC is a global library organization that provides shared technology services, original research, and community programs for its membership and the library community at large. We are librarians, technologists, researchers, pioneers, leaders, and learners.
OCLC products help libraries address these challenges by sharing data, streamlining workflows and connecting people to the knowledge held in the world's library collections.
A guide to the structure, coding practices, and input standards used in bibliographic records in the WorldCat® database. It provides definitions, guidelines, and examples for entering information into WorldCat.
WorldShare ® Interlibrary Loan is a modern, cloud-based service. It automates borrowing and lending processes through OCLC’s resource sharing network of 10,000+ libraries, the largest in the world. Improve the library user experience and streamline workflows.
An OCLC Cataloging and Metadata Subscription allows you to quickly copy catalog most of your new materials with high-quality WorldCat records. Original cataloging tools allow you to catalog in the format you prefer.
What you do with OCLC makes all libraries stronger. OCLC is guided by representatives from member institutions that use our products and services. We work together to share data, improve information services, do original research, and better connect libraries to the communities they serve.
The Dewey Decimal Classification (DDC) system is the world’s most widely used way to organize library collections. The DDC constantly updates to enable better discovery across any topic in multiple languages. Because the DDC is easy to use, you can increase the visibility of your materials quickly and efficiently.
